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Radiant|Lab Grown|IGI

1.78ct H VS2 Radiant Lab Grown Diamond

VG • H/VS2 • IGI LG733563519

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG733563519

Diamond specifications and retailer prices

From $311 SGD
$243 USD
As of October 30, 2026
Save $1,287 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,598 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown radiant diamond

This 1.78ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG733563519 or 733563519. Listed at 14 retailers as of October 28, 2026, with prices from $311 to $1,598, a $1,287 spread on the same certified stone. Brilliant Earth lists it at $1,598. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.78
Carat
H
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733563519
Dimensions8.06 × 5.90 × 4.04 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.06 mm5.90 mm1.78 ctH / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733563519
Side View
Table 70.0%Crown 40.2°Girdle: STK-THKPavilion 33°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,598 SGD|Low: $298 SGD|High: $1,649 SGD|Avg: $931 SGD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 10$311 SGD
Retailer 15$348 SGD
Retailer 11$385 SGD
Retailer 13$385 SGD
Retailer 7$646 SGD
Retailer 12$647 SGD
Retailer 3$756 SGD
Retailer 14$814 SGD
Retailer 9$968 SGD
Retailer 6$1,067 SGD
Retailer 8$1,272 SGD
Retailer 4$1,305 SGD
Retailer 5$1,500 SGD
Retailer 2$1,552 SGD
Brilliant Earth$1,598 SGD

19 data points across 15 retailers

14 retailers$311 SGD to $1,598 SGD

A
Cheapest Retailer
-
$311 SGD
$243 USD
B+
Retailer 2
-
$348 SGD
$272 USD
View
Final sale: no returns
A
Retailer 3
-
$361 SGD
$282 USD
View
A
Retailer 4
-
$385 SGD
$301 USD
View
A
Retailer 5
-
$385 SGD
$301 USD
View
B+
Retailer 6
-
$647 SGD
$506 USD
View
B+
Retailer 7
-
$756 SGD
$591 USD
View
B+
Retailer 8
-
$814 SGD
$637 USD
View
B+
Retailer 9
-
$968 SGD
$757 USD
View
B
Retailer 10
-
$1,239 SGD
$969 USD
View
Retailer 11
-
$1,272 SGD
$995 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$1,305 SGD
$1,021 USD
View
B
Retailer 13
-
$1,552 SGD
£956 GBP
View
Most Expensive
B
Brilliant Earth
15784170A · Oct 28
$1,598 SGD
$1,250 USD
View
13 more retailers have this diamond
Prices start from $311 SGDSave up to $1,287 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.78ct Radiant
$311 SGD